<template>
 <div class="childFn">
   <div class="item" @click="clickme">我被触发：{{childValue}}次</div>
 </div>
</template>
<script>
export default {
  data () {
    return {
      childValue: 0
    }
  },
  methods: {
    clickme() {
      this.childValue++
    }
  },
  components: {}
}
</script>
<style lang="scss" scoped>
.childFn{
  font-size: 16px;
}
</style>
